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- To: <u.kleine-koenig@xxxxxxxxxxxxxx>, <codrin.ciubotariu@xxxxxxxxxxxxx>, <lgirdwood@xxxxxxxxx>, <broonie@xxxxxxxxxx>, <perex@xxxxxxxx>, <tiwai@xxxxxxxx>, <Nicolas.Ferre@xxxxxxxxxxxxx>, <alexandre.belloni@xxxxxxxxxxx>
- Subject: Re: [PATCH 031/173] ASoC: atmel: sam9g20_wm8731: Convert to platform remove callback returning void
- From: <Claudiu.Beznea@xxxxxxxxxxxxx>
- Date: Thu, 16 Mar 2023 11:10:30 +0000
- Cc: alsa-devel@xxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, kernel@xxxxxxxxxxxxxx
- In-reply-to: <20230315150745.67084-32-u.kleine-koenig@pengutronix.de>
- References: <20230315150745.67084-1-u.kleine-koenig@pengutronix.de> <20230315150745.67084-32-u.kleine-koenig@pengutronix.de>
- User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0
On 15.03.2023 17:05, Uwe Kleine-König wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > The .remove() callback for a platform driver returns an int which makes > many driver authors wrongly assume it's possible to do error handling by > returning an error code. However the value returned is (mostly) ignored > and this typically results in resource leaks. To improve here there is a > quest to make the remove callback return void. In the first step of this > quest all drivers are converted to .remove_new() which already returns > void. > > Trivially convert this driver from always returning zero in the remove > callback to the void returning variant. > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Reviewed-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx> > --- > sound/soc/atmel/sam9g20_wm8731.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c > index 785b9d01d8af..baf38964b491 100644 > --- a/sound/soc/atmel/sam9g20_wm8731.c > +++ b/sound/soc/atmel/sam9g20_wm8731.c > @@ -186,14 +186,12 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev) > return ret; > } > > -static int at91sam9g20ek_audio_remove(struct platform_device *pdev) > +static void at91sam9g20ek_audio_remove(struct platform_device *pdev) > { > struct snd_soc_card *card = platform_get_drvdata(pdev); > > snd_soc_unregister_card(card); > atmel_ssc_put_audio(0); > - > - return 0; > } > > #ifdef CONFIG_OF > @@ -210,7 +208,7 @@ static struct platform_driver at91sam9g20ek_audio_driver = { > .of_match_table = of_match_ptr(at91sam9g20ek_wm8731_dt_ids), > }, > .probe = at91sam9g20ek_audio_probe, > - .remove = at91sam9g20ek_audio_remove, > + .remove_new = at91sam9g20ek_audio_remove, > }; > > module_platform_driver(at91sam9g20ek_audio_driver); > -- > 2.39.2 >
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